Riley-Hickingbotham Library Ouachita Baptist University OBU Box 3742 Arkadelphia, AR 71998 870.245.5119 or 870.245.5120 Riley-Hickingbotham Library serves the university and the community as a learning center, supporting the educational process with varied types of media. It accomplishes this task through the main library as well as two branches located in Mabee Fine Arts Center (music library) ...